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2 NH4HCO3 + H2SO4 = (NH4)2SO4 + 2 H2O + 2 CO2
HCl + Fe = FeCl3 + H2 =>
6 HCl + 2 Fe = 2 FeCl3 + 3 H2
HAuCl4 + NaBH4 = Au + H2 + B2H6 + NaCl =>
2 HAuCl4 + 8 NaBH4 = 2 Au + 5 H2 + 4 B2H6 + 8 NaCl
Al(OH)3 + CH3COOH = Al(C2H3O2)3 + H2O =>
Al(OH)3 + 3 CH3COOH = Al(C2H3O2)3 + 3 H2O
SbCl3 + Na2S = NaCl + Sb2S3 =>
2 SbCl3 + 3 Na2S = 6 NaCl + Sb2S3
Hg(NO3)2 + NaCl = HgCl2 + NaNO3 =>
Hg(NO3)2 + 2 NaCl = HgCl2 + 2 NaNO3
NaHCO3 + H2O = H2CO3 + Na + OH =>
NaHCO3 + H2O = H2CO3 + Na + OH
KCr(SO4)2(H2O)12 + KSCN = K3Cr(SCN)6 + K2SO4 + H2O =>
KCr(SO4)2(H2O)12 + 6 KSCN = K3Cr(SCN)6 + 2 K2SO4 + 12 H2O
KAlSi3O8 + H{+} + H2O = Al2Si2O5(OH)4 + K{+} + SiO2 =>
2 KAlSi3O8 + 2 H{+} + H2O = Al2Si2O5(OH)4 + 2 K{+} + 4 SiO2
Ethanol + oxygen = carbondioxide + water =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
PbSO4 + NaBr = Na2SO4 + Na2PbBr4 =>
PbSO4 + 4 NaBr = Na2SO4 + Na2PbBr4
KIO3 + Cl2 + KOH = K5IO6 + KCl + H2O =>
KIO3 + Cl2 + 6 KOH = K5IO6 + 2 KCl + 3 H2O
Br + FeI2 = BrI + Fe =>
2 Br + FeI2 = 2 BrI + Fe
C6H6(g) + O2(g) = CO2 + H2O =>
2 C6H6(g) + 15 O2(g) = 12 CO2 + 6 H2O
Al2C6 + H2O = Al(OH)3 + C2H2 =>
Al2C6 + 6 H2O = 2 Al(OH)3 + 3 C2H2
NaOH(aq) + H(g) = Na(s) + H2O(l) =>
NaOH(aq) + H(g) = Na(s) + H2O(l)
C5H6 + Fe = Fe(C5H6)2 =>
2 C5H6 + Fe = Fe(C5H6)2
Mg(NO3)2 + KOH = Mg(OH)2 + K(NO3) =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 K(NO3)
AgC2H3O2(aq) + SrI2(aq) = AgI + Sr(C2H3O2)2 =>
2 AgC2H3O2(aq) + SrI2(aq) = 2 AgI + Sr(C2H3O2)2
Sn + H2SO4 = Sn(SO4)2 + H2 =>
Sn + 2 H2SO4 = Sn(SO4)2 + 2 H2
CaC2O4 + I2 = CO2 + CaI2 =>
CaC2O4 + I2 = 2 CO2 + CaI2
C3H8S(l) + O2(g) = CO2(g) + H2O(l) + SO2(s) =>
C3H8S(l) + 6 O2(g) = 3 CO2(g) + 4 H2O(l) + SO2(s)
C6H5NO2 + NH4OH = C6H5NH2 + HNO3 + H2 =>
C6H5NO2 + NH4OH = C6H5NH2 + HNO3 + H2
Al + Cd(NO3)2 = Al(NO3)3 + Cd =>
2 Al + 3 Cd(NO3)2 = 2 Al(NO3)3 + 3 Cd
F2 + NH4Cl = FCl + NH4 =>
F2 + 2 NH4Cl = 2 FCl + 2 NH4
Pd + S = PdS =>
Pd + S = PdS
Cl2 + Na2SO3 + NaOH = NaSO4 + NaCl + H2O =>
3 Cl2 + 2 Na2SO3 + 4 NaOH = 2 NaSO4 + 6 NaCl + 2 H2O
Pb + H2S = PbS + H2 =>
Pb + H2S = PbS + H2
NO + KMnO4 = KNO3 + MnO2 =>
NO + KMnO4 = KNO3 + MnO2
K2Cr2O7 + H2SO4 + Zn = K2SO4 + ZnSO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 7 H2SO4 + 3 Zn = K2SO4 + 3 ZnSO4 + Cr2(SO4)3 + 7 H2O
H3C6H5O7 + O2 = CO2 + H2O =>
2 H3C6H5O7 + 9 O2 = 12 CO2 + 8 H2O
Ga2(CO3)3 + HCl = GaCl3 + H2CO3 =>
Ga2(CO3)3 + 6 HCl = 2 GaCl3 + 3 H2CO3
CH3COOH + NaOH = HCOONa + CH3OH =>
CH3COOH + NaOH = HCOONa + CH3OH
C2H5NH3Cl + KOH = C2H5NH4O + KCl =>
C2H5NH3Cl + KOH = C2H5NH4O + KCl
CO2(g) + H2O(g) = CH4(g) + O2(g) =>
CO2(g) + 2 H2O(g) = CH4(g) + 2 O2(g)
Br2 + Mn(OH)2 = Br{-} + MnO2 + H{+} =>
Br2 + Mn(OH)2 = 2 Br{-} + MnO2 + 2 H{+}
Bi + Cl2 = BiCl3 =>
2 Bi + 3 Cl2 = 2 BiCl3
Al2(SO4)3 + KOH = (Al(OH)3) + K2(SO4) =>
Al2(SO4)3 + 6 KOH = 2(Al(OH)3) + 3 K2(SO4)
K2SO4 + NiBr2 = NiSO4 + KBr =>
K2SO4 + NiBr2 = NiSO4 + 2 KBr
CH3COOH + NaOH = HCOONa + CH3OH =>
CH3COOH + NaOH = HCOONa + CH3OH
Al + KOH + H2O = [Al(OH)4]{-} + K{+} + H2 =>
2 Al + 2 KOH + 6 H2O = 2[Al(OH)4]{-} + 2 K{+} + 3 H2
Zn(s) + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn(s) + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
FeSO4(aq) + K3PO4(aq) = FePO4(s) + K3SO4(aq) =>
FeSO4(aq) + K3PO4(aq) = FePO4(s) + K3SO4(aq)
CH3COOH + NaOH = HCOONa + CH3OH =>
CH3COOH + NaOH = HCOONa + CH3OH
H2 + MnO2 = MnO + H2O =>
H2 + MnO2 = MnO + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + Au2O3 = Au + Cu2O =>
6 Cu + Au2O3 = 2 Au + 3 Cu2O
N2O + CaO = Ca(NO)2 =>
N2O + CaO = Ca(NO)2
BaCO3 + HNO3 = Ba(NO3)2 + H2CO3 =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + H2CO3
(NH4)2S + FeI2 = (NH4)2I2 + FeS =>
(NH4)2S + FeI2 = (NH4)2I2 + FeS
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